Roller skate chasis



FIG. 1 is a top plan view of a roller skate chasis showin my new design;

FIG. 2 is a side elevational view thereof, the side opposite being substantially a mirror image;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a roller skate chasis, as shown and described. 